


(async function(){
  const res = await axios({
    url : '/dashboard',
    // headers: {
    //   authorization : localStorage.getItem('user-token')
    // }
  })
  console.log(res);
  const { overview } = res.data
  console.log(overview);
  //渲染数据
  for (let key in overview) {
    document.querySelector(`[name = ${key}]`).innerHTML = overview[key]
  }
  money (res.data.year)
  initSalary(res.data.salaryData)
  initGroup(res.data.groupData)
  gender(res.data.salaryData)
  initMapChart(res.data.provinceData)
})()

const money = year => {
  const myChart = echarts.init(document.querySelector('#line'))
  const option = {
    title: {
      text: '2022全学科薪资走势',
      textStyle: {
        fontSize: 16
      },
      left: 10,
      top: 15
    },
    xAxis: {
      type: 'category',
      data: year.map(item => item.month),
      axisLine:{
        lineStyle:{
          type:'dashed',
          color: '#ccc'
        }
      },
      axisLabel: {
        color: '#999'
      } 
    },
    yAxis: {
      type: 'value',
      splitLine: {
        lineStyle: {
          color: '#ccc',
          type: 'dashed'
        }
      }
    },
    tooltip: {
      trigger: 'axis'
    },
    grid: {
      left: '10%',
      top: '20%'
    },
    color: [
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 1,
        y2: 0,
        colorStops: [
          {
            offset: 0,
            color: '#499bee' // 0% 处的颜色
          },
          {
            offset: 1,
            color: '#5b78ef' // 100% 处的颜色
          }
        ],
        global: false // 缺省为 false
      }
    ],
    series: [
      {
        data: year.map(item => item.salary),
        type: 'line',
        smooth: true,
        areaStyle: {
          color: {
            type: 'linear',
            x: 0,
            y: 0,
            x2: 0,
            y2: 1,
            colorStops: [
              {
                offset: 0,
                color: '#93bff4' // 0% 处的颜色
              },
              {
                offset: 0.5,
                color: 'rgba(148, 192, 245, 0.1)' // 100% 处的颜色
              },
              {
                offset: 1,
                color: 'rgba(255,255,255,0.1)' // 100% 处的颜色
              }
            ],
            global: false // 缺省为 false
          }
        },
        lineStyle:{
          width: 5 
        },
        symbolSize: 10
      }
    ]
  };
  myChart.setOption(option)
}


const initSalary = salaryData => {
  const myChart = echarts.init(document.querySelector('#salary'))
  const option = {
    // 标题
    title:{
      text:'班级薪资分布',
      textStyle:{
        fontSize:16
      },
      left: 10,
      top:15
    },
    tooltip: {
      trigger: 'item'
    },
    legend: {
      bottom: '5%',
      left: 'center'
    },
    color:['#fda224', '#5097ff', '#3abcfa', '#34d39a'],
    series: [
      {
        name: '班级薪资分布',
        type: 'pie',
        // 半径
        radius: ['50%', '65%'],
        // 圆心点
        center:['50%', '45%'],
        avoidLabelOverlap: false,
        // 每块饼的样式
        itemStyle: {
          borderRadius: 10,
          borderColor: '#fff',
          borderWidth: 2
        },
        // 饼的说明文字
        label: {
          show: false,
          position: 'center'
        },
        // 高亮的样式
        // emphasis: {
        //   label: {
        //     show: true,
        //     fontSize: 40,
        //     fontWeight: 'bold'
        //   }
        // },
        // 连接线
        labelLine: {
          show: false
        },
        // data: [
        //   { value: 1048, name: 'Search Engine' },
        //   { value: 735, name: 'Direct' },
        //   { value: 580, name: 'Email' },
        //   { value: 484, name: 'Union Ads' },
        // ]
        data: salaryData.map(item => {
          return {name:item.label,value:item.g_count + item.b_count}
        })
      }
    ]
  };
  myChart.setOption(option)
}


const initGroup = (groupData) => {
  const myChart = echarts.init(document.querySelector('#lines'))
  const option = {
    // x轴
    xAxis: {
      type: 'category',
      data: groupData[1].map(item => item.name),
      // 轴线
      axisLine: {
        lineStyle: {
          type: 'dashed',
          color: '#ccc'
        }
      },
      // 刻度标签
      axisLabel: {
        color: '#999'
      }
    },
    yAxis: {
      type: 'value',
      // 分隔线
      splitLine: {
        lineStyle: {
          color: '#ccc',
          type: 'dashed'
        }
      }
    },
    // 网格
    grid: {
      left: 70,
      top: 30,
      right: 30,
      bottom: 50
    },
    color: [
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#3cd59e' // 0% 处的颜色
          },
          {
            offset: 1,
            color: 'rgba(59, 213, 157,0.2)' // 100% 处的颜色
          }
        ],
        global: false // 缺省为 false
      },
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#4fa2ee' // 0% 处的颜色
          },
          {
            offset: 1,
            color: 'rgba(81, 163, 239,0.2)' // 100% 处的颜色
          }
        ],
        global: false // 缺省为 false
      }
    ],
    tooltip: {
      trigger: 'item'
    },
    series: [
      {
        data: groupData[1].map(item => item.hope_salary),
        type: 'bar'
      },
      {
        data: groupData[1].map(item => item.salary),
        type: 'bar'
      }
    ]
  };  
  myChart.setOption(option)

  const btns = document.querySelector('#btns')
  btns.addEventListener('click',function(e) {
    if(e.target.tagName === 'BUTTON') {
      const n = e.target.innerHTML
      console.log(groupData[n]);
      option.xAxis.data = groupData[n].map(item => name)
      option.series[0].data = groupData[n].map(item => item.hope_salary)
      option.series[1].data = groupData[n].map(item => item.salary)
      myChart.setOption(option)
      btns.querySelector('.btn-blue').classList.remove('btn-blue')
      e.target.classList.add('btn-blue')
    }
  })
  
}

//男女薪资分布
const gender = (gen) => {
  const myChart = echarts.init(document.querySelector('#gender'))
  option = {
    title: [{
      text: '男女薪资分布',
      textStyle: {
        fontSize: 16
      },
      left: 10,
      top: 15
    }, 
      {
        text: '男生',
        left: 'center',
        top: '45%',
        textStyle: {
          fontSize: 12
        },
      },
      {
        text: '女生',
        left: 'center',
        top: '85%',
        textStyle: {
          fontSize: 12
        },
      }
    ],
    color: ['#fda224','#5097ff','#3abcfa','#34d39a'],
    series: [
      {
        name: 'Access From',
        type: 'pie',
        radius: ['25%', '40%'],
        center: ['50%', '70%'],
        avoidLabelOverlap: false,
        // label: {
        //   show: false,
        //   position: 'center'
        // },
        // emphasis: {
        //   label: {
        //     show: true,
        //     fontSize: 40,
        //     fontWeight: 'bold'
        //   }
        // },
        labelLine: {
          show: true
        },
        data: gen.map( (item) => {
          return   { value: item.g_count, name: item.label }
        })
      }
      ,
      {
        name: 'Access Code',
        type: 'pie',
        radius: ['25%', '40%'],
        center: ['50%', '30%'],
        avoidLabelOverlap: false,
        // label: {
        //   show: false,
        //   position: 'center'
        // },
        // emphasis: {
        //   label: {
        //     show: true,
        //     fontSize: 40,
        //     fontWeight: 'bold'
        //   }
        // },
        labelLine: {
          show: true
        },
        data: gen.map( (item) => {
          return   { value: item.b_count, name: item.label }
        })
      }
    ]
  };
  myChart.setOption(option)
}

const initMapChart = (provinceData) => {
  const myEchart = echarts.init(document.querySelector('#map'))
  const dataList = [
    { name: '南海诸岛', value: 0 },
    { name: '北京', value: 0 },
    { name: '天津', value: 0 },
    { name: '上海', value: 0 },
    { name: '重庆', value: 0 },
    { name: '河北', value: 0 },
    { name: '河南', value: 0 },
    { name: '云南', value: 0 },
    { name: '辽宁', value: 0 },
    { name: '黑龙江', value: 0 },
    { name: '湖南', value: 0 },
    { name: '安徽', value: 0 },
    { name: '山东', value: 0 },
    { name: '新疆', value: 0 },
    { name: '江苏', value: 0 },
    { name: '浙江', value: 0 },
    { name: '江西', value: 0 },
    { name: '湖北', value: 0 },
    { name: '广西', value: 0 },
    { name: '甘肃', value: 0 },
    { name: '山西', value: 0 },
    { name: '内蒙古', value: 0 },
    { name: '陕西', value: 0 },
    { name: '吉林', value: 0 },
    { name: '福建', value: 0 },
    { name: '贵州', value: 0 },
    { name: '广东', value: 0 },
    { name: '青海', value: 0 },
    { name: '西藏', value: 0 },
    { name: '四川', value: 0 },
    { name: '宁夏', value: 0 },
    { name: '海南', value: 0 },
    { name: '台湾', value: 0 },
    { name: '香港', value: 0 },
    { name: '澳门', value: 0 },
  ]
  dataList.forEach(item => {
    const obj = provinceData.find( re => {
      return re.name.includes(item.name)
    })
    if(obj){
      item.value = obj.value
    }
  })
  let option = {
    title: {
      text: '籍贯分布',
      top: 10,
      left: 10,
      textStyle: {
        fontSize: 16,
      },
    },
    tooltip: {
      trigger: 'item',
      formatter: '{b}: {c} 位学员',
      borderColor: 'transparent',
      backgroundColor: 'rgba(0,0,0,0.5)',
      textStyle: {
        color: '#fff',
      },
    },
    visualMap: {
      min: 0,
      max: 6,
      left: 'left',
      bottom: '20',
      text: ['6', '0'],
      inRange: {
        color: ['#ffffff', '#0075F0'],
      },
      show: true,
      left: 40,
    },
    geo: {
      map: 'china',
      roam: false,
      zoom: 1.0,
      label: {
        normal: {
          show: true,
          fontSize: '10',
          color: 'rgba(0,0,0,0.7)',
        },
      },
      itemStyle: {
        normal: {
          borderColor: 'rgba(0, 0, 0, 0.2)',
          color: '#e0ffff',
        },
        emphasis: {
          areaColor: '#34D39A',
          shadowOffsetX: 0,
          shadowOffsetY: 0,
          shadowBlur: 20,
          borderWidth: 0,
          shadowColor: 'rgba(0, 0, 0, 0.5)',
        },
      },
    },
    series: [
      {
        name: '籍贯分布',
        type: 'map',
        geoIndex: 0,
        data: dataList,
      },
    ],
  }
  myEchart.setOption(option)
}